Skip to main content
. Author manuscript; available in PMC: 2022 Jul 20.
Published in final edited form as: Alcohol Clin Exp Res. 2017 Oct 31;41(12):2114–2127. doi: 10.1111/acer.13504

Table 1.

Sample Characteristics

Controls
Heavy drinkers
N M SD n % N M SD n % p a

Maternal age at conception (year) 83 25.5 4.8 123 27.7 5.7 0.004
Parity (no.) 83 1.4 1.2 123 1.7 1.5 0.105
Gravidity (no.) 83 2.5 1.3 123 2.9 1.7 0.109
Marital status (no. married) 83 34 41.0 123 34 27.6 0.046
Education (years school completed) 83 10.0 1.6 123 9.3 1.7 0.005
Socioeconomic statusb
Food securityc 79 196 0.017
 High food security 37 46.8 32 27.4
 Marginal food security 10 12.7 12 10.3
 Low food security 11 13.9 19 16.2
 Very low food security 21 26.6 54 46.2
Received prenatal iron/folic acid supplementation 80 69 86.3 119 104 87.4 0.814
 Takes supplements most days (supplemented only) 65 93.2 104 90.4 0.367
Weeks gestation
 Initiation of antenatal care 83 18.7 6.0 123 17.3 5.9 0.111
 Visit 1 83 25.5 5.0 123 22.9 5.8 0.001
 Visit 2 78 29.9 5.0 116 27.0 5.6 <0.001
 Visit 3 46 34.0 3.9 78 32.5 4.0 0.050
 Delivery 83 39.0 2.2 123 38.8 2.1 0.626
Height (cm) 81 159.0 5.5 119 156.9 6.5 0.016
Weight (kg)
 Visit 1 80 65.5 13.9 120 61.4 12.1 0.145
 Visit 2 76 66.8 13.2 115 63.1 13.0
 Visit 3 47 67.9 10.1 77 65.0 14.0
Gestational weight gain (kg/wk) 76 0.4 0.3 116 0.4 0.3 0.600
 < 0.42 kg/wk 37 48.7 64 55.2 0.379
BMI
 Visit 1 80 26.0 5.5 119 224.9 4.9 0.530
 Visit 2 76 26.4 5.2 114 25.6 4.9
 Visit 3 47 26.9 3.8 77 26.4 4.9
Triceps skinfold (mm)
 Visit 1 81 16.9 6.1 120 15.6 5.1 0.195
 Visit 2 76 16.6 6.0 114 16.5 5.6
 Visit 3 47 16.2 5.2 77 15.4 5.1
Biceps skinfold (mm)
 Visit 1 81 9.2 4.0 120 7.9 4.0 0.104
 Visit 2 76 9.2 3.8 114 8.3 4.6
 Visit 3 47 8.6 3.3 77 8.2 3.5
Mid-upper arm circumference (MUAC; cm)
 Visit 1 81 28.8 4.1 120 27.7 4.0 0.142
 Visit 2 76 28.7 4.0 115 27.8 4.1
 Visit 3 47 28.9 3.4 77 28.1 4.1
Head circumference (cm) 81 53.9 1.9 119 53.5 1.7 0.067
Alcohol and drug use
 AA/d (oz) 83 0.0 0.0 123 0.9 1.2 <0.001
 AA/drinking day (oz) 83 0.2 0.5 123 4.2 2.4 <0.001
 Drinking days/wk (days) 83 0.0 0.1 123 1.3 1.1 <0.001
No. of reporting cigarette smoking 83 57 68.7 123 106 86.2 0.002
 Cigarettes/d (smokers only) 6.1 5.9 6.8 4.1 0.435
No. of reporting marijuana use 83 8 9.6 123 29 23.6 0.011
 Marijuana use (users only; days/month) 4.0 4.7 9.7 9.4 0.026
No. of reporting methamphetamine use 83 15 18.1 123 12 9.8 0.083
 Methamphetamine use (users only; days/month) 8.8 8.0 4.5 5.4 0.119

AA = absolute alcohol; 1 oz AA ≈ 2 standard drinks.

a

From χ2 for categorical variables and t-tests for all continuous variables except for weight, BMI, and MUAC, for which values from analysis of variance (ANOVA) models, with control for weeks gestation at time of measurement, are presented.

b

Hollingshead (2011) Four Factor Index of Social Status Scale.

c

From USDA food security interview (National Research Council, 2006).